The Bearing,ball,annular, cataloged under National Stock Number 3110-01-278-9205, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Schatz Bearing Corporation Dba Schatz Bearing Corp. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-278-9205 |
| Primary Part Number | AC1905LL-3V1-02 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Schatz Bearing Corporation Dba Schatz Bearing Corp |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Internal Fit-Up Designation | LOOSE |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 42.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 25.00 MILLIMETERS NOMINAL MM |
| Material | STEEL CORROSION RESISTING OUTER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL CORROSION RESISTING INNER RING |
| Material | STEEL CORROSION RESISTING BALL |
| Material | STEEL CORROSION RESISTING RETAINER |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AC1905LL-3V1-02 PRIMARY | Schatz Bearing Corporation Dba Schatz Bearing Corp (USA) |
| 1905SZZST PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| MRC1905-SZZST | 5/9 Secondary reference Skf Usa Inc. |
NSN 3110-01-278-9205 is a Bearing,ball,annular, manufactured by Schatz Bearing Corporation Dba Schatz Bearing Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-278-9205 has 2 manufacturer part numbers on file: AC1905LL-3V1-02 (Schatz Bearing Corporation Dba Schatz Bearing Corp), 1905SZZST (Skf Usa Inc.).
Key specifications for AC1905LL-3V1-02: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Internal Fit-Up Designation: LOOSE; Surface Finish: GROUND. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.